package misc;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.*;

public class LoginFilter implements Filter {

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse res = (HttpServletResponse) response;

		HttpSession session = req.getSession();
		CustomerBean bean = (CustomerBean) session.getAttribute("user");
		if (bean != null) {
			chain.doFilter(request, response);
		} else {
			String contextRoot = req.getContextPath();
			res.sendRedirect(contextRoot + "/secure/login.jsp");
		}

	}

	private FilterConfig config = null;

	public void init(FilterConfig config) throws ServletException {
		this.config = config;

	}

	public void destroy() {

	}

}
